CN100411466C - Audio output apparatus of mobile communication terminal - Google Patents

Audio output apparatus of mobile communication terminal Download PDF

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Publication number
CN100411466C
CN100411466C CNB2005100052149A CN200510005214A CN100411466C CN 100411466 C CN100411466 C CN 100411466C CN B2005100052149 A CNB2005100052149 A CN B2005100052149A CN 200510005214 A CN200510005214 A CN 200510005214A CN 100411466 C CN100411466 C CN 100411466C
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CN
China
Prior art keywords
music
audio
conversation
broadcasting
sound
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Expired - Fee Related
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CNB2005100052149A
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Chinese (zh)
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CN1738461A (en
Inventor
宣弼源
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Inspur LG Digital Mobile Communications Co Ltd
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LG Electronics China Research and Development Center Co Ltd
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Publication of CN1738461A publication Critical patent/CN1738461A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72442User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/401Circuits for selecting or indicating operating mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/03Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Abstract

The present invention relates to an audio output apparatus of mobile communication terminal, which is an audio output apparatus of mobile communication terminal supporting the MP3 or FM radio, DAB (or DMB), and other audio frequency functions. In particular, the present invention dualizes the call audio data path and the music/broadcasting data path, accordingly it has the effect that the mobile communication terminals can listen to music or listening to the radio at the same time of calling. In particular, in the vehicle, when the mobile communication terminal is connected to the car audio and is hands-free, we can listen to music or radio through the car stereo, and at the same time, making hands-free calls. In addition, when the headphone with a remote-control switch is usee, we can carry out calling at the same time of listening to music or radio. For example, when the mobile communication terminal is used to listen to MP3 music, if there is an incoming call, we can make the call at the same time they do not stop MP3 music.

Description

A kind of audio output device of mobile communication terminal
Technical field
The present invention relates to mobile communication terminal, especially relate to and support MP3 or FM radio reception, the apparatus for processing audio of listening to and conversing that can carry out music or broadcasting simultaneously on the mobile communication terminal of digital audio broadcasting audio-frequency functions such as (DAB:Digital Audio Broadcasting).Be a kind of audio output device of mobile communication terminal concretely.
Background technology
Usually, mobile communication terminal refers to as cellular phone (cellular phone), pcs telephone, IMT-2000 terminal, portable phone, mobile phone etc., the instrument that can converse when moving.
Along with the function of this mobile communication terminal is evolved, utilize mobile communication terminal can not only carry out intrinsic conversation, can also listen to MP3, also can receive and listen to FM broadcasting or DAB broadcasting.And the invention of DMB (DMB:Digital Multimedia Broadcasting) technology in addition.
Fig. 1 is that mobile communication terminal is connected to the loud speaker of vehicle and listens to music or the connection layout in when broadcasting, and conversation socket and music/broadcasting socket are with different paths (path) formation dualization.That is, shown in Fig. 1 be, the conversation socket is connected to the hands-free or hand-free kit (kit) that is built in vehicle, and the example that socket is connected to the loud speaker of automobile audio is listened in music/broadcasting.
Therefore, when utilizing the mobile communication terminal of supporting music or broadcasting to listen to music or broadcasting, wanted conversation, the problem that exists music or broadcast capability to interrupt in the past.Especially, as Fig. 1, when automobile audio is connected to mobile communication terminal and listens to the music or when broadcasting, because of the broadcast of individual's conversation interrupt music (or broadcasting) of driver, co-driver then can be felt inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of audio output device of mobile communication terminal, it carries out dualization with the data path (path) of the receiver J-Horner of mobile communication terminal, thereby can converse simultaneously and the listening to of music (or broadcasting).
In order to achieve the above object, support the mobile communication terminal audio output device of audio-frequency function according to the present invention, it comprises: the conversation source of sound efferent of output the tinkle of bells or conversation voice; The music of outputting music or broadcasting/broadcasting source of sound efferent; The receiver J-Horner portion that the audio path of above-mentioned conversation source of sound efferent separates with the audio path of music/broadcasting source of sound efferent; Above-mentioned conversation audio frequency contact separates with music/broadcast audio contact, and when inserting the receiver J-Horner of receiver J-Horner portion, the conversation audio path of receiver J-Horner portion is connected music/broadcast audio path and the earphone that music/the broadcast audio contact is connected with conversation audio frequency contact.
Above-mentioned conversation source of sound efferent comprises, the tinkle of bells sound source part of output the tinkle of bells; The conversation voice sound source part of output conversation voice; Select one conversation switching part in above-mentioned the tinkle of bells of output and the conversation voice.
Above-mentioned music/broadcasting source of sound efferent comprises, the MP3 sound source part of output MP3 source of sound; The digital broadcasting sound source part of output DAB signal or DMB signal; The FM sound source part of output FM radio reception source of sound; At above-mentioned MP3 sound source part, select the music/broadcasting switching part of an output in the output of digital broadcasting sound source part and FM radio reception sound source part.
The structure of above-mentioned earphone is that the conversation socket that is connected with the line of above-mentioned conversation audio frequency contact inserts hands-free, the music that is connected with the line of music/broadcast audio contact/broadcasting socket insertion automobile audio.
The structure of above-mentioned earphone is, the left side tone frequency channel wire of above-mentioned conversation audio frequency contact and music/broadcast audio contact is connected to the left side earphone by remote control switch, and the right audio line of above-mentioned conversation audio frequency contact and music/broadcast audio contact is connected to the right side earphone by remote control.
By aforesaid audio output device, conversation audio path and music/broadcast audio outgoing route are carried out dualization, thereby have the effect of conversing when can utilize mobile communication terminal to listen to the music according to mobile communication terminal of the present invention.Especially mobile communication terminal is connected to automobile audio and when hands-free in automobile, can listen to the music or converse by hands-free when broadcasting by automobile audio.In addition, use when having the earphone of remote control, converse when can listen to the music or broadcast.
Description of drawings
Fig. 1 is the conversation of general mobile communication terminal and the path structure illustration intention of music/broadcast audio;
Fig. 2 is the path structure illustration intention according to the conversation of the mobile communication terminal of first embodiment of the invention and music/broadcast audio;
Fig. 3 is the path structure illustration intention according to the conversation of the mobile communication terminal of first embodiment of the invention and music/broadcast audio.
The symbol description of accompanying drawing major part:
100: the audio frequency control part of mobile communication terminal
110: conversation sound source part 111: speech sound source part
112: the tinkle of bells sound source part 120: music/broadcasting sound source part
121:MP3 sound source part 122: digital broadcasting sound source part
123:FM radio reception sound source part 130: conversation switching part
140: music/broadcasting switching part 150: receiver J-Horner portion
Embodiment
Other purposes of the present invention, feature and advantage, describing embodiment in detail by the reference accompanying drawing can be clearer and more definite.
Below, structure and its effect with reference to the description of drawings embodiment of the invention, and as shown in the figure and with this structure of the present invention that illustrates and effect at least with embodiment explanation, the technological thought of the invention described above and its core texture and effect are not to only limit to this.
Fig. 2 is the schematic diagram according to the audio output device of the mobile communication terminal of first embodiment of the invention, is that mobile communication terminal passes through receiver J-Horner (ear jack) and is connected to automobile audio and the output of the audio frequency when hands-free example simultaneously.
Shown in Figure 2ly be, mobile communication terminal inside has audio frequency control part 100, and the audio frequency input part of hand-free kit (or automobile is built-in hands-free) and automobile audio is connected to the receiver J-Horner (ear jack) of above-mentioned audio frequency control part 100 simultaneously.
Above-mentioned audio frequency control part 100 comprises: conversation sound source part 110, music/broadcasting sound source part 120, conversation switching part 130, music/broadcasting switching part 140 and receiver J-Horner portion 150; Music/broadcasting sound source part 120 comprises: MP3 sound source part 121, digital broadcasting sound source part 122 and FM radio reception sound source part.
In the present invention, above-mentioned sound source part is an embodiment, according to the evolution degree of mobile communication terminal, or system designer, the function of source of sound and number thereof are variable, thereby the present invention only limits to the foregoing description.
For example, when receipt of call (call) signal, the tinkle of bells sound source part 112 output the tinkle of bells, this moment press-to-talk key or open and renovate, conversation voice sound source part 111 output conversation voice.Above-mentioned conversation voice sound source part 111 can utilize the MSM chip of high pass (Qualcomm), and the tinkle of bells sound source part 112 can utilize digital acoustics (MIDI:MusicalInstrument Digital Interface).
And, if the user selects the broadcast of MP3, MP3 sound source part 121 output MP3 playing back music; If select DAB (or DMB) broadcasting, the 122 output digital broadcastings of digital broadcasting sound source part.In addition, if the user selects FM radio reception, the FM broadcasting of FM radio reception sound source part 123 output signal specific.Above-mentioned MP3 sound source part 121 can be made of MSM chip or MIDI chip.
At this moment, conversation switching part 130 is connected to the conversation voice sound source part 111 and the tinkle of bells sound source part 112 of above-mentioned conversation sound source part 110 jointly, and music/broadcasting switching part 140 is connected to MP3 sound source part 121 and the digital broadcasting sound source part 122 and the FM radio reception sound source part 123 of music/broadcasting sound source part 120 jointly.That is, in the output of the output of conversation voice sound source part 111 and the tinkle of bells sound source part 112 outputs to receiver J-Horner 150 by conversation switching part 130.Equally, the output of MP3 sound source part 121, the output of digital broadcasting sound source part 122, in the output of FM radio reception sound source part 123 outputs to receiver J-Horner 150 by music/broadcasting switching part 140 in addition.
Above-mentioned conversation switching part 130 is made of left side switching device 131 and right side switching device 132.At this moment, above-mentioned left side switching device 131 is made of a plurality of at least input ports and an output port.Above-mentioned each input port respectively is connected to the output port of conversation voice sound source part 111 and the tinkle of bells sound source part 112.Equally, right side switching device 132 has identical structure.Therefore, left side switching device 131, the switching of right side switching device 132 is simultaneously controlled, and in the output of the output of conversation voice sound source part 111 and the tinkle of bells sound source part 112 one is by left side switching device 131, and right side switching device 132 outputs to receiver J-Horner portion 150.
In addition, above-mentioned music/broadcasting switching part 140 also is made of left side switching device 141 and right side switching device 142.At this moment, above-mentioned left side switching device 141 is made of a plurality of at least above input port and output ports.Above-mentioned each input port respectively is connected to the output port of MP3 sound source part 121 and digital broadcasting sound source part 122 and FM broadcasting sound source part 123.Equally, right side switching device 142 also has identical syndeton.Therefore, left side switching device 141, the switching of right side switching device 142 is controlled simultaneously.
For example, if the call signal of receiving, the left side switching device 131 of conversation switching part 130, each output port of right side switching device 132 switches to the left side with the tinkle of bells sound source part 112, switching device 131 is surveyed on the left side of the conversation switching part 130 that the right side output port connects, right each input port of surveying switching device 132.Thereby, the left side of the tinkle of bells sound source part 112, the left side of right side output port output, right side the tinkle of bells source of sound outputs to receiver J-Horner portion 150 by conversation switching part 130.
In addition, if the user has selected the MP3 broadcast, the left side switching device 141 of music/broadcasting switching part 140 then, each output port of right side switching device 142 switches to the left side with MP3 sound source part 121, the left side switching device 141 of music/broadcasting switching part 140 that the right side output port connects, each input port of right side switching device 142.Thereby, the left side of MP3 sound source part 121, the left side of right side output port output, right side MP3 source of sound outputs to receiver J-Horner portion 150 by music/broadcasting switching part 140.
Above-mentioned receiver J-Horner portion 150 comprises 4 signal ports, Mike's port and ground connection (Ground) port.Promptly, the output port of the left side switching device 131 of above-mentioned conversation switching part 130 is connected to first signal port (EXT_SPK_L1) of receiver J-Horner 150, and the output port of right side switching device 132 is connected to the secondary signal port (EXT_SPK_R1) of receiver J-Horner portion 150.And, the output port of the left side switching device 141 of music, broadcasting switching part 140 is connected to the 3rd signal port (EXT_SPK_L2) of receiver J-Horner portion 150, and the output port of right side switching device 142 is connected to the 4th signal port (EXT_SPK_R2) of receiver J-Horner 150.
At this moment, if insert earphone 200 at the receiver J-Horner of above-mentioned receiver J-Horner portion 150, each port of receiver J-Horner portion 150 is connected with each contact of earphone 200.For example, first signal port (EXT_SPK_L1) of receiver J-Horner portion 150 is connected to first contact (EXT_SPK_L1) of earphone 200, and secondary signal port (EXT_SPK_R1) is connected to second contact (EXT_SPK_R1) of earphone 200.The 3rd signal port (EXT_SPK_L2) of receiver J-Horner portion 150 is connected to the 3rd contact (EXT_SPK_L2) of earphone 200 in addition, and the 4th signal port (EXT_SPK_R2) is connected to the 4th signal contact (EXT_SPK_R2) of earphone 200.
At this moment, above-mentioned earphone 200 is divided into Y-shaped, and its end respectively forms socket.(EXT_SPK_L1 EXT_SPK_R1) inserts hand-free kit (or automobile is built-in hands-free) to one of them socket, and (EXT_SPK_L2 EXT_SPK_R2) inserts automobile audio to another socket.That is, with the first, the second contact (EXT_SPK_L1, EXT_SPK_R1) line of Lian Jieing and with the three, the four contact (EXT_SPK_L2, EXT_SPK_R2) line that connects separates.
The present invention is with conversation voice audio data path and music/broadcasting (for example, mp3, DAB, DMB, FM radio reception etc.) voice data path dualization as mentioned above.
The situation of incoming call in MP3 plays below is described by first embodiment.
That is, if the user selects MP3, the MP3 source of sound of MP3 sound source part 121 output be by music/broadcasting switching part 140 output to receiver J-Horner portion 150 the three, the four signal port (EXT_SPK_L2, EXT_SPK_R2).At this moment, the left side switching device 141 of music/broadcasting switching part 140, each output port of right side switching device 142 switches to the left side with MP3 sound source part 121, the left side switching device 141 of music/broadcasting switching part 140 that the right side output port connects, each input port of right side switching device 142.Therefore, if earphone is inserted in the receiver J-Horner of receiver J-Horner portion 150, the MP3 music outputs to the loud speaker of automobile audio by earphone 200.At this moment, in the first of receiver J-Horner portion 150, (EXT_SPK_L1 R1) does not have any signal to the secondary signal port, so do not have signal from hands-free output.
At this moment, receive call signal, the tinkle of bells of the tinkle of bells sound source part 112 outputs outputs to the first of receiver J-Horner portion 150 by conversation switching part 130, and the secondary signal port (EXT_SPK_L1, R1).At this moment, the left side switching device 131 of conversation switching part 130, each output port of right side switching device 132 switches to the left side with the tinkle of bells sound source part 112, the left side switching device 131 of the conversation switching part 130 that the right side output port connects, each input port of right side switching device 132.So the tinkle of bells outputs to hands-free by earphone 200.If user's press-to-talk key or open and renovate, the conversation voice of conversation voice sound source part 111 outputs outputs to the first of receiver J-Horner portion 150 by conversation switching part 130, and the secondary signal port (EXT_SPK_L1, R1).At this moment, the left side switching device 131 of conversation switching part 130, each output port of right side switching device 132 switches to the left side with conversation voice sound source part 111, the left side switching device 131 of the conversation switching part 130 that the right side output port connects, each input port of right side switching device 132.Therefore, the tinkle of bells end and conversation voice output to hands-free by earphone 200.
At this moment, the output of music/140 pairs of the tinkle of bells of broadcasting switching part and conversation voice is not affected, so the MP3 music is delivered to the three, the four contact of earphone 200 by music/broadcasting switching part 140 and receiver J-Horner portion 150, outputs to the loud speaker of automobile audio.That is the user passed through hand-free call when, the loud speaker of automobile audio was exported the MP3 music.
This is because conversation voice audio data path and music/audio data broadcasting path forms dualization.
Fig. 3 is the schematic diagram of the audio output device of mobile communication terminal according to a second embodiment of the present invention, and shown in the figure is that mobile communication terminal passes through the audio frequency output example of receiver J-Horner (ear jack) when being connected to earphone.
The audio frequency control part 100 of mobile communication terminal inside is and above-mentioned identical structure shown in Figure 2 therefore to omit detailed explanation.Difference only is that Fig. 2 is the structural representation of the earphone 200 of receiver J-Horner (ear jack) at the above-mentioned audio frequency control part 100 audio frequency input part that can connect hand-free kit (or automobile is built-in hands-free) and automobile audio simultaneously, and Fig. 3 is the structural representation that is connected with the earphone 300 that possesses remote control switch 301 at the receiver J-Horner of above-mentioned audio frequency control part 100 (ear jack).
Therefore, as long as the connection status of the audio frequency control part 100 of Fig. 3 and the detailed description of structure are with reference to Fig. 2, so just omit its explanation at second embodiment.
In addition, identical with the first embodiment of the present invention, if insert earphone 300 at the receiver J-Horner of the receiver J-Horner portion 150 of audio frequency control part 100, each port of receiver J-Horner portion 150 is connected with each contact of earphone 300.For example, first signal port (EXT_SPK_L1) of receiver J-Horner portion 150 is connected to first contact (EXT_SPK_L1) of earphone 300, and secondary signal port (EXT_SPK_R1) is connected to second contact (EXT_SPK_R1) of earphone 300.And the 3rd signal port (EXT_SPK_L2) of receiver J-Horner portion 150 is connected to the 3rd contact (EXT_SPK_L2) of earphone 300, and the 4th signal port (EXT_SPK_R2) is connected to the 4th contact (EXT_SPK_R2) of earphone 300.
At this moment, the centre of above-mentioned earphone 300 is provided with remote control switch 301, and above-mentioned remote control switch 301 has talk key and Mike.And the part that earphone 300 inserts ear is divided into a left side, the right side.Therefore, (earphone output in right side is by the second, the four signal port (EXT_SPK_R1, R2) Shu Chu the audio frequency of receiver J-Horner portion 150 for EXT_SPK_L1, L2) Shu Chu audio frequency for the first, the three signal port of left side earphone output receiver J-Horner portion 150.
Below with the situation of second embodiment explanation incoming call in MP3 plays.
That is, if the user selects the broadcast of MP3, from the MP3 source of sound of MP3 sound source part 121 output by music/broadcasting switching part 140 output to receiver J-Horner portion 150 the three, the four signal port (EXT_SPK_L2, R2).At this moment, the left side switching device 141 of music/broadcasting switching part 140, each output port of right side switching device 142 switches to the left side with MP3 sound source part 121, the left side switching device 141 of music/broadcasting switching part 140 that the right side output port connects, each input port of right side switching device 142.Therefore, if earphone inserts the receiver J-Horner of receiver J-Horner portion 150, the MP3 music outputs to the remote control switch 301 of earphone 300.At this, the first of receiver J-Horner portion 150, (EXT_SPK_L1 R1) does not have any signal to the secondary signal port, so 301 output of remote control switch MP3 music.
If receive call signal this moment, the tinkle of bells of exporting from the tinkle of bells sound source part 112 outputs to the first of receiver J-Horner portion 150 by conversation switching part 130, and the secondary signal port (EXT_SPK_L1, R1).At this moment, the left side switching device 131 of conversation switching part 130, each output port of right side switching device 132 switches to the left side with the tinkle of bells sound source part 112, the left side switching device 131 of the conversation switching part 130 that the right side output port connects, each input port of right side switching device 132.Therefore, the tinkle of bells outputs to the remote control switch 301 of earphone 300.At this moment, if user's press-to-talk key or open and renovate, the conversation voice of conversation voice sound source part 111 outputs outputs to the first of receiver J-Horner portion 150 by conversation switching part 130, and the secondary signal port (EXT_SPK_L1, R1).At this moment, the left side switching device 131 of conversation switching part 130, each output port of right side switching device 132 switches to the left side with conversation voice sound source part 111, the left side switching device 131 of the conversation switching part 130 that the right side output port connects, each input port of right side switching device 132.Therefore, the tinkle of bells interrupts, and conversation voice outputs to the remote control switch 301 of earphone 300.
At this moment, music/140 pairs of the tinkle of bells of broadcasting sound source part and conversation voice output are not affected, so the MP3 music outputs to the remote control switch 301 of earphone 300 by music/broadcasting switching part 140 and receiver J-Horner portion 150.That is, MP3 and conversation voice output to the remote control switch 301 of earphone 300 simultaneously.Thereby the user converses when can listen to the music.
This is a dualization because of conversation voice audio data path and music/audio data broadcasting path.
In addition, the term (terminology) that the present invention uses be consider in function of the present invention and under the definition term, therefore, along with this those skilled in the art's intention or convention etc., its form is also different, should give a definition based on whole contents of the present invention.
Therefore and the present invention describes by preferred embodiment of the present invention, considers from the side that the personnel that technical difficulty of the present invention, this field have a common technology can add at an easy rate to another embodiment of the present invention and another variation.Thereby the embodiment and the variation of quoting its thought in above-mentioned explanation obviously all belong to protection scope of the present invention.
By aforesaid audio output device, conversation audio path and music/broadcast audio outgoing route are carried out dualization, thereby have the effect of conversing when can utilize mobile communication terminal to listen to the music according to mobile communication terminal of the present invention.Especially mobile communication terminal is connected to automobile audio and when hands-free in automobile, can listen to the music or converse by hands-free when broadcasting by automobile audio.In addition, use when having the earphone of remote control, converse when can listen to the music or broadcast.
For example, if incoming call is arranged when utilizing mobile communication terminal to listen the music that MP3 plays, converse when can end the MP3 music.
By the content of above-mentioned explanation, if industry technical staff in the scope that does not break away from technological thought of the present invention, can carry out numerous variations and modification.
Thereby technical scope of the present invention is not to only limit to the content that embodiment puts down in writing, and is decided by the protection range of claim.

Claims (9)

1. mobile communication terminal audio output device is characterized in that comprising:
The conversation source of sound efferent of output the tinkle of bells or conversation voice;
The music of outputting music or broadcasting/broadcasting source of sound efferent;
The receiver J-Horner portion that the audio path of described conversation source of sound efferent separates with the audio path of music/broadcasting source of sound efferent;
Earphone with conversation audio frequency contact and music/broadcast audio contact, described conversation audio frequency contact separates with music/broadcast audio contact, and when described earphone inserts the receiver J-Horner of receiver J-Horner portion, the conversation audio path of receiver J-Horner portion is connected with the conversation audio frequency contact of earphone, and the music of receiver J-Horner portion/broadcast audio path is connected with the music/broadcast audio contact of earphone.
2. mobile communication terminal audio output device according to claim 1 is characterized in that described conversation source of sound efferent comprises: the tinkle of bells sound source part of output the tinkle of bells; The conversation voice sound source part of output conversation voice; Select one conversation switching part in described the tinkle of bells of output and the conversation voice.
3. mobile communication terminal audio output device according to claim 2 is characterized in that: described music/broadcasting source of sound efferent is to be made of the MP3 sound source part of exporting the MP3 source of sound.
4. mobile communication terminal audio output device according to claim 2 is characterized in that: described music/broadcasting source of sound efferent is that the digital broadcasting sound source part by outputting digital audio broadcast singal or digital multimedia broadcasting signal constitutes.
5. mobile communication terminal audio output device according to claim 2 is characterized in that: described music/broadcasting source of sound efferent is to be made of the FM sound source part of exporting FM radio reception source of sound.
6. mobile communication terminal audio output device according to claim 2 is characterized in that: described music/broadcasting source of sound efferent comprises, the MP3 sound source part of output MP3 source of sound; The digital broadcasting sound source part of outputting digital audio broadcast singal or digital multimedia broadcasting signal; The FM sound source part of output FM radio reception source of sound; At described MP3 sound source part, select the music/broadcasting switching part of an output in the output of digital broadcasting sound source part and FM radio reception sound source part.
7. mobile communication terminal audio output device according to claim 1, it is characterized in that: the structure of described earphone is, the conversation socket that is connected with the line of described conversation audio frequency contact inserts hands-free, and the music that is connected with the line of music/broadcast audio contact/broadcasting socket inserts automobile audio.
8. mobile communication terminal audio output device according to claim 1, it is characterized in that: the structure of described earphone is, the left side tone frequency channel wire of described conversation audio frequency contact and music/broadcast audio contact is connected to the left side earphone by remote control switch, and the right audio line of described conversation audio frequency contact and music/broadcast audio contact is connected to the right side earphone by remote control switch.
9. mobile communication terminal audio output device according to claim 8 is characterized in that: described remote control switch comprises talk key and Mike.
CNB2005100052149A 2004-08-20 2005-02-01 Audio output apparatus of mobile communication terminal Expired - Fee Related CN100411466C (en)

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KR1020040065723A KR100606724B1 (en) 2004-08-20 2004-08-20 Audio output apparatus in mobile communication terminal

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